EPJ Web of Conferences (Jan 2019)

Scaling studies for deep learning in Liquid Argon Time Projection Chamber event classification

  • Strube Jan,
  • Bhattacharya Kolahal,
  • Church Eric,
  • Daily Jeff,
  • Malachi Schram,
  • Charles Siegel,
  • Kevin Wierman

DOI
https://doi.org/10.1051/epjconf/201921406016
Journal volume & issue
Vol. 214
p. 06016

Abstract

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Measurements in Liquid Argon Time Projection Chamber neutrino detectors feature large, high fidelity event images. Deep learning techniques have been extremely successful in classification tasks of photographs, but their application to these event images is challenging, due to the large size of the events, more two orders of magnitude larger than images found in classical challenges like MNIST or ImageNet. This leads to extremely long training cycles, which slow down the exploration of new network architectures and hyperpa-rameter scans to improve the classification performance. We present studies of scaling an LArTPC classification problem on multiple architectures, spanning multiple nodes. The studies are carried out in simulated events in the Micro-BooNE detector.